# Between Dates Calendar Math vs FullTime

The clearest difference is price: Between Dates Calendar Math at $0.99 against FullTime's $9.99. Between Dates Calendar Math also leads on ratings volume (42 vs 1) and update cadence (every 4 months vs every 9 months). FullTime's advantage is rating (5.0 vs 4.8). On ads, in-app purchases, monetization model and device support there is nothing between them.

Between Dates Calendar Math costs $0.99 and FullTime $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

FullTime holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Between Dates Calendar Math has 42 ratings behind it against 1, so its average is the more settled of the two.

Between Dates Calendar Math ships an update every 4 months, FullTime every 9 months. The most recent releases landed on October 23, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Between Dates Calendar Math | FullTime |
| --- | --- | --- |
| Price | **$0.99** | $9.99 |
| Rating | [4.8 (42 ratings)](https://appshunter.io/ios/app/between-dates-calendar-math/id442169104/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/fulltime-big-clocks-and-timers/id6746081525/reviews)** |
| Number of ratings | **42** | 1 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 9 months |
| Monetization | Paid | Paid |
| Size | 1 MB | 21 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Ducky Planet LLC](https://appshunter.io/developer/442169107) | [Emotive Engines, LLC](https://appshunter.io/developer/1650481514) |

## What reviewers say

### Between Dates Calendar Math

[App page](https://appshunter.io/ios/app/between-dates-calendar-math/id442169104)

Calculate the number of days between two dates with a simple interface. Save, recall, sort, and remove date calculations. Add or subtract days from selected dates for quick date projections.

**Highlights:** Calculate days between dates, Save and recall date calculations, Sort and remove saved dates, Add or subtract days, Copy dates to start/end, Reset dates to current

**Features:** Vision Pro support

**In-app purchases:** none


### FullTime

[App page](https://appshunter.io/ios/app/fulltime-big-clocks-and-timers/id6746081525)

Display large, full-screen clocks and timers on your iPad or iPhone. Utilize Split Screen mode to view multiple time displays simultaneously and resize them to your preference. Ideal for keeping track of time while working, cooking, or in your vehicle.

**Highlights:** Full-screen clock and timer display, Split Screen mode for multiple displays, Adjustable Split Screen layout, Multiple timer types (stopwatch, countdown, time remaining), Progress ring visualizations, Background mode support, Customizable clock designs

**Features:** iPhone Duo support

**In-app purchases:** none


## Frequently asked questions

### Is Between Dates Calendar Math free?

Between Dates Calendar Math costs $0.99, with no in-app purchases.

### Is FullTime free?

FullTime costs $9.99, with no in-app purchases.

### Which has better reviews, Between Dates Calendar Math or FullTime?

FullTime is rated higher. Between Dates Calendar Math averages 4.8 out of 5 from 42 ratings, while FullTime averages 5.0 from 1 ratings.

### Do Between Dates Calendar Math or FullTime have ads?

Neither Between Dates Calendar Math nor FullTime shows ads.

### Which is updated more often, Between Dates Calendar Math or FullTime?

Between Dates Calendar Math ships an update every 4 months, and FullTime every 9 months. Most recently, Between Dates Calendar Math was updated on October 23, 2026 and FullTime on October 28, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*